/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.commons.exec;

/**
 * The callback handlers for the result of asynchronous process execution. When
 * a process is started asynchronously the callback provides you with the result
 * of the executed process, i.e. the exit value or an exception.
 * 
 * @see org.apache.commons.exec.Executor#execute(CommandLine, java.util.Map,
 *      ExecuteResultHandler)
 */
public interface ExecuteResultHandler {

	/**
	 * The asynchronous execution completed.
	 * 
	 * @param exitValue
	 *            the exit value of the sub-process
	 */
	void onProcessComplete(int exitValue);

	/**
	 * The asynchronous execution failed.
	 * 
	 * @param e
	 *            the <code>ExecuteException</code> containing the root cause
	 */
	void onProcessFailed(ExecuteException e);
}
